Waters Xevo TQD Overview And Maintenance Manual page 129

8. Use the O-ring removal kit to carefully remove the isolation valve O-ring
(see page 99).
Warning:
isolation valve O-ring in accordance with local
environmental regulations.
9. If the isolation valve O-ring shows signs of deterioration or damage,
dispose of it in accordance with local environmental regulations.
10. Use the combined 2.5-mm Allen wrench and cone extraction tool to
loosen the captive PEEK terminal block securing screw.
To avoid damaging the heater cartridge assembly wires,
Notice:
do not bend or twist them when removing the assembly from the
ion block.
11. Use the needle-nose pliers to grasp the PEEK terminal block and
partially lift it out of the ion block.
To avoid spreading contamination, dispose of the
March 14, 2014, 715004387 Rev. B
Cleaning the ion block assembly
PEEK terminal
block securing
screw
129